Minipress

Prazosin

This medicine is indicated for hypertension and designed to mitigate high blood pressure through peripheral vascular dilation.

Active ingredient
Prazosin
Supply
Pharmacy
Route
Oral use
Form
Tablet
Strengths
1 · 2mg

Minipress details

Condition
Hypertension
Therapeutic class
Alpha Adrenoceptor Antagonist
Pharmacological class
Alpha-1 Blocker
Known off-label uses
benign prostatic hyperplasia
Contraindications
hypersensitivity to quinazolines
Precautions and warnings
risk of orthostatic hypotension with first dose; do not drive after first dose
Minor side effects
dizziness; headache; drowsiness; nausea
Moderate side effects
palpitations; orthostatic hypotension
Serious side effects
syncope, requires immediate medical attention
Dosage forms
Tablet
Administration route
Oral use
Supply category
Pharmacist only, dispensed without a prescription
Manufacturer
Pfizer
Onset Time
1–2 hours
Duration
6–10 hours
Storage instructions
Store at room temperature away from light.
Drug interactions
Other antihypertensives; Alcohol
Age restrictions
Use with caution.
Pregnancy and breastfeeding
Pregnancy: use only if necessary. Breastfeeding: exercise caution.
Patient summary

This medicine is indicated for hypertension and designed to mitigate high blood pressure through peripheral vascular dilation.

Mechanism of action

Prazosin is a competitive antagonist of alpha-1 adrenergic receptors. It causes peripheral vasodilation by preventing the action of norepinephrine on smooth muscles in blood vessels, which reduces total peripheral resistance.

Where this medicine is registered

  • Singapore
  • Hong Kong
  • Thailand
  • Malaysia
  • Philippines
  • Indonesia
  • Taiwan
  • South Korea
  • Japan
  • Australia
  • New Zealand
  • UAE
  • South Africa

About Minipress

Minipress is the Pfizer brand of prazosin, a medication frequently used for the management of hypertension. Supplied as a tablet in 1mg and 2mg strengths, it helps individuals maintain their daily health requirements and blood pressure levels throughout the long term.

Buying Minipress online

Minipress is one of the most ordered medications across the region. With registration across 14 markets including Singapore, Hong Kong and Thailand, it is also available in Malaysia, the Philippines and Indonesia. For expats and people living throughout Asia trying to maintain consistent health routines, ordering online provides reliable access to branded prazosin. Generic alternatives, much of which are made in India, often provide a more affordable cost, making effective blood pressure management easier to coordinate while away from home.